starter
(1)起动器，起动装置
(2)发射装置
(3)点火极

• tracking instrument
• tracking laser radar
• tracking lidar
• tracking radar
• tracking rate
• tracking system
• tracking telescope
• track way
• creepage
• creep curve
• creosote
• crepuscular rays
• crescent
• crest
• crest factor
• Cretes prism
• crew-in filter
• cribbing
• crimson
• crisscross eyepiec
• criterion
• criterion for image evaluation
• critical
• critical absorption wavelength
• critical adjustment